{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "881956045",
    "entityType": "User",
    "nonce": "0xab5a50ec0c5fd8c43462a46b9631407d8027aa591e981001af48c341181ddf6f",
    "signature": "0x25814555288a9b27cd23482bc1619cc22c77e20511144afab00cc1d7a4ed70082c2d350aac8c68ed5c96046cff616e2e821463929a0d47d2e7e4fd927f95bf3b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}